38503404 has 48 divisors (see below), whose sum is σ = 102157440. Its totient is φ = 12534480.

The previous prime is 38503391. The next prime is 38503429. The reversal of 38503404 is 40430583.

It is a happy number.

38503404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499 + ... + 8789.

It is an arithmetic number, because the mean of its divisors is an integer number (2128280).

Almost surely, 2^38503404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38503404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51078720).

38503404 is an abundant number, since it is smaller than the sum of its proper divisors (63654036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38503404 is a wasteful number, since it uses less digits than its factorization.

38503404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347 (or 8339 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 38503404 is about 6205.1111190695. Note that the first 5 decimals coincide. The cubic root of 38503404 is about 337.6756221773.

Adding to 38503404 its reverse (40430583), we get a palindrome (78933987).

The spelling of 38503404 in words is "thirty-eight million, five hundred three thousand, four hundred four".